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All of these organisms were referred to as the Black Pigmented Bacteroides or "BPB” We have since identified 10+ human species and additional animal species and transferred them to 2 new genera - Prevotella and Porphyromonas Now refer to them collectively as the Black-Pigmenting Anaerobes  or
Black-Pigmenting Anaerobic Rods
All of these organisms were referred to as the Black Pigmented Bacteroides or "BPB".  We have since identified 10 or more human species and additional animal species and transferred them to 2 new genera.  So we now refer to them collectively as the Black-Pigmenting Anaerobes or Black-Pigmenting Anaerobic Rods.
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